FDK/FDL – Guide Bushings (External Play Adjustment)
Delivering high-precision linear guidance with adjustable play, the FDK/FDL series ensures smooth operation and easy assembly, even in dynamic and high-power-density applications.

Download installation and maintenance manuals, order spare parts, and find tutorial videos to help with your chip conveyor installation and operation.
Download installation and maintenance manuals, order spare parts, and find tutorial videos to help with your chip conveyor installation and operation.
Hennig Power Protection is a dedicated division specializing in custom-engineered generator enclosures, fuel systems, and power infrastructure for mission-critical applications across data centers, healthcare, telecommunications, and industrial facilities.
Precision machining, fabrication & welding services from our Rockford, IL facility. Complete manufacturing solutions with ISO-certified quality.
Precision machining for turbine...
Pallet delivery, robotic tending & software for lights-out production
CNC machining centers, lathes, grinders & multi-axis equipment
Safety systems & rod locks for hydraulic & mechanical presses
Precision components driving reliability and efficiency in industrial machinery.
Explore our selection of proven, high-quality components—from locknuts and bushings to gears, connectors, and protection systems—engineered to maximize reliability, productivity, and efficiency in demanding industrial applications.
Advanced Machine & Engineering (AME), a division of Hennig, is the exclusive North American partner and licensed manufacturer of SPIETH mechanical components. We provide engineers and machine builders with precision-engineered solutions that enhance performance, reliability, and efficiency across various applications.
The SPIETH Principle
At the heart of every SPIETH product is the SPIETH principle: uniform, all-around clamping that delivers exceptional concentricity and high axial rigidity—without the need for complex adjustments or additional locking mechanisms. This innovative approach ensures consistent performance even in the most demanding machining environments.
Delivering high-precision linear guidance with adjustable play, the FDK/FDL series ensures smooth operation and easy assembly, even in dynamic and high-power-density applications.
Designed for linear guidance with integrated clamping, the FSK/FSL series combines precise sleeve or column guidance with secure, repeatable clamping in any position.
Ideal for applications requiring both precise round guidance and position-specific clamping, the FAK/FAL series offers consistent, vibration-damped performance with easy play adjustment.
Spieth DSK/DSL keyless clamping sleeves enable fast, precise shaft-hub connections with integrated screws for effortless installation and ultrahigh concentricity.
Spieth DSM clamping sleeves are tailored for motor shafts, delivering friction-locked, high-torque connections optimized for motor-driven applications.
Spieth AK/IK clamping sleeves offer automation-ready shaft-hub connections with flexible clamping initiation for enhanced precision in automated systems.
Spieth AL/IL clamping sleeves utilize hydraulic tensioning to achieve superior concentricity in high-precision shaft-hub connections.
The MSR series delivers unparalleled versatility with its infinitely adjustable positioning, ideal for precision securing in diverse mechanical applications.
Engineered for precise bearing mounting, the MSA series excels in compact assemblies with its optimized design for angular contact and cylindrical roller bearings.
The MSF series offers a low-profile, flat design, perfect for space-constrained installations requiring high load capacity
Built for durability, the MSW series ensures robust locking and effortless assembly in high-stress, dynamic environments.
AST Squeeze Bushings are robust clamping solutions designed to resist both axial and torque loads, making them ideal for applications where secure, concentric shaft retention is required.
Precision clamping devices designed to resist axial forces in fixturing and reciprocating shaft applications.
Delivers precise, reliable shaft-hub connections with high torque transmission and easy assembly for industrial machinery.
Reliable, backlash-free shaft-hub connections with easy installation and high torque transmission for precision engineering.
Delivers highly precise, efficient torque transmission in compact designs, ensuring smooth, reliable performance in demanding mechanical applications.
Delivers flexible, customizable solutions for complex industrial applications, combining power, signal, data, and fluid connections in a single, reliable interface.
SITEMA safety catchers have been evaluated according to OSHA Directive CPL 02-01-043. OSHA has determined that the SITEMA safety catcher meets all of the requirements of the directive.
When it comes to reliable and safe machine operation in severe environments, having the right components makes a significant difference. That's why we are excited to introduce the RCHX Exclusion Series Rod Lock — a hydraulically driven rod lock designed specifically for harsh conditions and submersible applications. This latest innovation is a modified version of the original AMLOK RCH Rod Lock, re-engineered to withstand the most demanding applications.
In the world of modern automation, there's a clear shift toward fully electric systems. Learn about the new electric safety brake from Sitema.
Both Hennig and its sister company, Advanced Machine & Engineering, now operate under the Hennig brand.
Same team. Same products. Same company. Different look.
Unifying the two brands under one name clarifies our offerings and makes them easier for you to navigate — one website, one team, one trusted partner.